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<htmlxmlns="http://www.w3.org/1999/xhtml"><head><title>IBase__SymOp (infer.IBase__SymOp)</title><linkrel="stylesheet"href="../../odoc.css"/><metacharset="utf-8"/><metaname="generator"content="odoc 1.5.1"/><metaname="viewport"content="width=device-width,initial-scale=1.0"/><scriptsrc="../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><divclass="content"><header><nav><ahref="../index.html">Up</a>–<ahref="../index.html">infer</a>» IBase__SymOp</nav><h1>Module <code>IBase__SymOp</code></h1><p>Symbolic Operations and Failures: the units in which analysis work is measured</p></header><dl><dtclass="spec type"id="type-t"><ahref="#type-t"class="anchor"></a><code><spanclass="keyword">type</span> t</code></dt><dd><p>Internal state of the module</p></dd></dl><dl><dtclass="spec value"id="val-check_wallclock_alarm"><ahref="#val-check_wallclock_alarm"class="anchor"></a><code><spanclass="keyword">val</span> check_wallclock_alarm : unit <span>-></span> unit</code></dt><dd><p>if the wallclock alarm has expired, raise a timeout exception</p></dd></dl><dl><dtclass="spec value"id="val-get_remaining_wallclock_time"><ahref="#val-get_remaining_wallclock_time"class="anchor"></a><code><spanclass="keyword">val</span> get_remaining_wallclock_time : unit <span>-></span> float</code></dt><dd><p>Return the time remaining before the wallclock alarm expires</p></dd></dl><dl><dtclass="spec value"id="val-get_timeout_seconds"><ahref="#val-get_timeout_seconds"class="anchor"></a><code><spanclass="keyword">val</span> get_timeout_seconds : unit <span>-></span><span>float option</span></code></dt><dd><p>Timeout in seconds for each function</p></dd></dl><dl><dtclass="spec value"id="val-get_total"><ahref="#val-get_total"class="anchor"></a><code><spanclass="keyword">val</span> get_total : unit <span>-></span> int</code></dt><dd><p>Return the total number of symop's since the beginning</p></dd></dl><dl><dtclass="spec value"id="val-pay"><ahref="#val-pay"class="anchor"></a><code><spanclass="keyword">val</span> pay : unit <span>-></span> unit</code></dt><dd><p>Count one symop</p></dd></dl><dl><dtclass="spec value"id="val-reset_total"><ahref="#val-reset_total"class="anchor"></a><code><spanclass="keyword">val</span> reset_total : unit <span>-></span> unit</code></dt><dd><p>Reset the total number of symop's</p></dd></dl><dl><dtclass="spec value"id="val-restore_state"><ahref="#val-restore_state"class="anchor"></a><code><spanclass="keyword">val</span> restore_state : <ahref="index.html#type-t">t</a><span>-></span> unit</code></dt><dd><p>Restore the old state.</p></dd></dl><dl><dtclass="spec value"id="val-save_state"><ahref="#val-save_state"class="anchor"></a><code><spanclass="keyword">val</span> save_state : <span>keep_symop_total:bool</span><span>-></span><ahref="index.html#type-t">t</a></code></dt><dd><p>Return the old state, and revert the current state to the initial one. If keep_symop_total is true, share the total counter.</p></dd></dl><dl><dtclass="spec value"id="val-set_alarm"><ahref="#val-set_alarm"class="anchor"></a><code><spanclass="keyword">val</span> set_alarm : unit <span>-></span> unit</code></dt><dd><p>Reset the counter and activate the alarm</p></dd></dl><dl><dtclass="spec value"id="val-set_wallclock_alarm"><ahref="#val-set_wallclock_alarm"class="anchor"></a><code><spanclass="keyword">val</span> set_wallclock_alarm : float <span>-></span> unit</code></dt><dd><p>Set the wallclock alarm checked at every pay()</p></dd></dl><dl><dtclass="spec value"id="val-set_wallclock_timeout_handler"><ahref="#val-set_wallclock_timeout_handler"class="anchor"></a><code><spanclass="keyword">val</span> set_wallclock_timeout_handler : <span>(unit <span>-></span> unit)</span><span>-></span> unit</code></dt><dd><p>set the handler for the wallclock timeout</p></dd></dl><dl><dtclass="spec value"id="val-unset_alarm"><ahref="#val-unset_alarm"class="anchor"></a><code><spanclass="keyword">val</span> unset_alarm : unit <span>-></span> unit</code></dt><dd><p>De-activate the alarm</p></dd></dl><dl><dtclass="spec value"id="val-unset_wallclock_alarm"><ahref="#val-unset_wallclock_alarm"class="anchor"></a><code><spanclass="keyword">val</span> unset_wallclock_alarm : unit <span>-></span> unit</code></dt><dd><p>Unset the wallclock alarm checked at every pay()</p></dd></dl><dl><dtclass="spec type"id="type-failure_kind"><ahref="#type-failure_kind"class="anchor"></a><code><spanclass="keyword">type</span> failure_kind</code><code> = </code><tableclass="variant"><trid="type-failure_kind.FKtimeout"class="anchored"><tdclass="def constructor"><ahref="#type-failure_kind.FKtimeout"class="anchor"></a><code>| </code><code><spanclass="constructor">FKtimeout</span></code></td><tdclass="doc"><p>max time exceeded</p></td></tr><trid="type-failure_kind.FKsymops_timeout"class="anchored"><tdclass="def constructor"><ahref="#type-failure_kind.FKsymops_timeout"class="anchor"></a><code>| </code><code><spanclass="constructor">FKsymops_timeout</span><spanclass="keyword">of</span> int</code></td><tdclass="doc"><p>max symop's exceeded</p></td></tr><trid="type-failure_kind.FKrecursion_timeout"class="anchored"><tdclass="def constructor"><ahref="#type-failure_kind.FKrecursion_timeout"class="anchor"></a><code>| </code><code><spanclass="constructor">FKrecursion_timeout</span><spanclass="keyword">of</span> int</code></td><tdclass="doc"><p>max recursion level exceeded</p></td></tr><trid="type-failure_kind.FKcrash"class="anchored"><tdclass="def constructor"><ahref="#type-failure_kind.FKcrash"class="anchor"></a><code>| </code><code><spanclass="constructor">FKcrash</span><spanclass="keyword">of</span> string</code></td><tdclass="doc"><p>uncaught exception or failed assertion</p></td></tr></table></dt></dl><dl><dtclass="spec exception"id="exception-Analysis_failure_exe"><ahref="#exception-Analysis_failure_exe"class="anchor"></a><code><spanclass="keyword">exception</span></code><code><spanclass="exception">Analysis_failure_exe</span><spanclass="keyword">of</span><ahref="index.html#type-failure_kind">failure_kind</a></code></dt><dd><p>Timeout exception</p></dd></dl><dl><dtclass="spec value"id="val-exn_not_failure"><ahref="#val-exn_not_failure"class="anchor"></a><code><spanclass="keyword">val</span> exn_not_failure : exn <span>-></span> bool</code></dt><dd><p>check that the exception is not a timeout exception</p></dd></dl><dl><dtclass="spec value"id="val-try_finally"><ahref="#val-try_finally"class="anchor"></a><code><spanclass="keyword">val</span> try_finally : <span>f:<span>(unit <span>-></span><spanclass="type-var">'a</span>)</span></span><span>-></span><span>finally:<span>(unit <span>-></span> unit)</span></span><span>-></span><spanclass="type-var">'a</span></code></dt><dd><p><code>try_finally ~f ~finally</code> executes <code>f</code> and then <code>finally</code> even if <code>f</code> raises an exception. Assuming that <code>finally ()</code> terminates quickly <code>Analysis_failure_exe</code> exceptions are handled correctly. In particular, an exception raised by <code>f ()</code> is delayed until <code>finally ()</code> finishes, so <code>finally ()</code> should return reasonably quickly.</p></dd></dl><dl><dtclass="spec value"id="val-pp_failure_kind"><ahref="#val-pp_failure_kind"class="anchor"></a><code><spanclass="keyword">val</span> pp_failure_kind : Stdlib.Format.formatter <span>-></span><ahref="index.html#type-failure_kind">failure_kind</a><span>-></span> unit</code></dt></dl></div></body></html>
